40543023061 has 16 divisors (see below), whose sum is σ = 43944445440. Its totient is φ = 37278074880.

The previous prime is 40543023041. The next prime is 40543023067. The reversal of 40543023061 is 16032034504.

It is a cyclic number.

It is not a de Polignac number, because 40543023061 - 2⁵ = 40543023029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40543023067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15516 + ... + 285178.

It is an arithmetic number, because the mean of its divisors is an integer number (2746527840).

Almost surely, 2^40543023061 is an apocalyptic number.

40543023061 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40543023061 is a deficient number, since it is larger than the sum of its proper divisors (3401422379).

40543023061 is a wasteful number, since it uses less digits than its factorization.

40543023061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269916.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 40543023061 its reverse (16032034504), we get a palindrome (56575057565).

The spelling of 40543023061 in words is "forty billion, five hundred forty-three million, twenty-three thousand, sixty-one".